package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnume;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现异常{},{}", e.getMessage(), e);
        Map<String, String> map = new HashMap<>();
        e.getFieldErrors().forEach((item) -> {
            map.put(item.getField(), item.getDefaultMessage());
        });
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(), BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data", map);
    }

    // 处理其它异常
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        log.error("错误:", throwable);
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(), BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data", throwable.getMessage());
    }
}
